EP1754630B1 - Lowering mechanism for the exterior rear-view mirrors of motor vehicles - Google Patents
Lowering mechanism for the exterior rear-view mirrors of motor vehicles Download PDFInfo
- Publication number
- EP1754630B1 EP1754630B1 EP05733372A EP05733372A EP1754630B1 EP 1754630 B1 EP1754630 B1 EP 1754630B1 EP 05733372 A EP05733372 A EP 05733372A EP 05733372 A EP05733372 A EP 05733372A EP 1754630 B1 EP1754630 B1 EP 1754630B1
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- EP
- European Patent Office
- Prior art keywords
- ring
- housing
- casing
- fixing
- piece
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- 230000007246 mechanism Effects 0.000 title claims description 21
- 229920002994 synthetic fiber Polymers 0.000 claims description 14
- 230000009471 action Effects 0.000 claims description 8
- 230000008878 coupling Effects 0.000 claims description 6
- 238000010168 coupling process Methods 0.000 claims description 6
- 238000005859 coupling reaction Methods 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 5
- 239000004033 plastic Substances 0.000 claims description 5
- 239000004952 Polyamide Substances 0.000 claims description 3
- 229920002647 polyamide Polymers 0.000 claims description 3
- 238000006243 chemical reaction Methods 0.000 claims description 2
- 230000014759 maintenance of location Effects 0.000 claims description 2
- 238000011084 recovery Methods 0.000 claims description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000008859 change Effects 0.000 description 1
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- 238000012986 modification Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R1/00—Optical viewing arrangements; Real-time viewing arrangements for drivers or passengers using optical image capturing systems, e.g. cameras or video systems specially adapted for use in or on vehicles
- B60R1/02—Rear-view mirror arrangements
- B60R1/06—Rear-view mirror arrangements mounted on vehicle exterior
- B60R1/062—Rear-view mirror arrangements mounted on vehicle exterior with remote control for adjusting position
- B60R1/07—Rear-view mirror arrangements mounted on vehicle exterior with remote control for adjusting position by electrically powered actuators
- B60R1/074—Rear-view mirror arrangements mounted on vehicle exterior with remote control for adjusting position by electrically powered actuators for retracting the mirror arrangements to a non-use position alongside the vehicle
Definitions
- the object of the invention is a folding mechanism for exterior rear-view mirrors in automotive vehicles, particularly applicable to exterior rear-view mirrors comprising a housing integral with a mirror-carrying casing adapted to house a rotating ring which connects, with rotating ability, the housing and a support chassis fixed to the vehicle.
- the ring is provided with first and second positional fixing means between said ring and a support chassis and between the same ring and the mentioned housing, respectively, therefore it is possible to automatically return the mirror-carrying casing to a driving position from a folded position.
- Implementations of folding mechanisms for exterior rear-view mirrors in automotive vehicles are known which are provided with movement means for a mirror-carrying casing with respect to a support chassis fixed to the structure of a vehicle.
- movement means are arranged in a detachable housing fixed to the mirror-carrying casing and essentially comprise an electric motor and one or more gears adapted for driving a rotating ring linked to the support chassis.
- the mirror casing supporting the glass of the mirror can be folded by means of a motor secured in the support chassis by a hinge and which can fold under the effect of an impact from a use position.
- the hinge has a tubular piece fixed in the support chassis and a sleeve which is coaxially pressed by means of a spring against the tubular piece, as well as a limiting device for the rotating movement of the casing around the tubular piece.
- This exterior mirror is extremely complex given that it requires two elements acting together by means of an swinging limiter, one of which is arranged on the casing and the other one is arranged coaxially with respect to the tubular piece in the hinge and where a socket disc is located operatively connected to the motor, provided with a rebated movement limiter with a projection and stop, one of both elements of which is configured at the foot of the mirror and the other one at the head of the mirror or in the socket disc.
- WO 02/076790 discloses a folding mechanism for exterior rear-view mirrors of vehicles.
- the mechanism comprises first and second members mounted in the mirror base and the mirror head respectively, the first and second members having respectively first and second detent sides, wherein a stop element is provided to limit rotation of one member with respect to the other one.
- a stop element may be an elastic spigot guide (see e.g. element 70 of figures 12-15). The spigot guide is securely fixed to the casing of the mechanism.
- Spanish patent ES-A-2166677 for an "Automatic Folding Mechanism for Exterior RearView Mirrors in Automotive Vehicles” describes a folding mechanism according to the preamble of claim 1, in which a rotating ring housed in a detachable housing fixed to a mirror-carrying casing is linked through positioning means to the support chassis, while at the same time it is linked to the housing through positional fixing means comprising a fixing rod and a compression spring arranged in a cavity of the detachable housing, the rod being adapted so that its projecting end is housed in grooves made on the rotating ring, all this for the purpose of limiting the rotation of the mentioned ring with respect to the housing in one of the rotating directions.
- One of the ends of the grooves of the rotating ring must be configured in inclined planar shape so that when the fixing rod rotates with respect to the housing in the suitable direction, it causes the fixing rod to move due to the pressure of said inclined plane against the fixing rod, which leaves the groove sliding over its inclined plane and rests directly on the rotating ring.
- the opposite end of the fixing groove lacking an inclined plane, runs against the projecting end of the rod housed in the groove, therefore the rod is not moved, preventing the rotation of the ring with respect to the housing.
- the fixing rod is to prevent the rotation of the ring with respect to the housing in the opposite rotating direction, it is necessary to use different rotating rings to in turn change the end of the grooves provided with the inclined plane.
- the folding mechanism for exterior rear-view mirrors in an automotive vehicle object of the invention solves the mentioned problems of the state of the art with the use of a single rotating ring.
- Said mechanism is of the type comprising a housing, integral with a mirror-carrying casing comprising drive means coupled to a ring acting as an axis of rotation of the mentioned casing with respect to a support chassis fixed to the vehicle, said mirror-carrying casing being able to be moved from a driving position to a folded position, said ring being provided with first positional fixing means susceptible to coupling the mentioned ring to the support chassis and second ring-shaped positional fixing means, made up of recesses alternating with projections which, in collaboration with a stop element integral with the housing and loaded by an elastic member, limit the rotation of the mentioned casing around the ring and according to one rotating direction, allowing said first positional fixing means to detach the casing from the support chassis if a predetermined external thrust torque on said casing is exceeded, while both positional fixing means cooperate in one
- the folding mechanism for exterior rear-view mirrors in vehicles is characterized in that the stop element and the elastic member are integrated in a single piece of synthetic material with elastic properties.
- the piece of synthetic material is made up of a fixing lever comprising a power arm and a resistance spring, therefore by means of the elastic reaction of the resistance spring, the outer end of power arm permanently tends to be located tangentially with respect to the second positional fixing means, between the projections of the ring, such that the mentioned outer end of the power arm is moved by the action of the stops when the ring rotates with respect to the housing in one direction, while the outer end rests against the closest projection in the rotating direction when the housing rotates in the direction of the recovery of the driving position, preventing the rotation between the housing and the ring.
- the piece of synthetic material is provided with two fixing points for the fixing it loosely to the housing in which it can be fixed in two inverted and opposing positions.
- the fixing points of the piece of synthetic material are made up of through holes adapted to be traversed by respective fixing rods that the housing is provided with, each fixing rod being provided at its outer end with retention means, such that the lever can be rotated around each fixing rod while at the same time being coupled to the housing.
- each of said ribs comprising a circumferential arch portion, the center of which considerably coincides with the axis of a corresponding fixing rod opposite to the rib, said portion being adapted to receive the support of the outer edge of the piece having the hole in which the corresponding fixing rod is inserted when the power arm is pressed against by one of the projections of the ring.
- the synthetic material of the single piece is a plastic material, and said plastic material is preferably from the polyamide group.
- the folding mechanism shown in the drawings comprises a housing 2 integral with a mirror-carrying casing 50, said housing 2 comprising drive means 4 coupled to a ring 3 acting as an axis of rotation of the mentioned casing 50 with respect to a support chassis 51 fixed to the vehicle, such that said mirror-carrying casing 50 can move from a driving position (with the mirror operative and extended so as to be used by a driver) to a folded or collapsed position towards the side of the vehicle.
- the drive means 4 are made up of a worm screw meshed with the rotating ring 3, generally through a corresponding threading 33 arranged on part of the outer surface of the ring 3.
- the worm screw 4 is actuated by an electric motor 30 fed by the electric supply 29 of the vehicle by means of respective contact elements 31 (see Figure 2 ).
- the state of the art described in the mentioned patent ES-A-2166677 and shown in Figure 1 describes, like the present invention, how the rotating ring 3 comprises first positional fixing means 27 (see Figure 2 ) susceptible of coupling the mentioned ring 3 to the support chassis 51 and second ring-shaped positional fixing means 32, made up of recesses 5 alternating with projections 5a, 5b which, in collaboration with a stop element 9 integral with the housing 2 and loaded by an elastic member 12, limit the rotation of the mentioned casing 50 around the ring 3 and according to one rotating direction, allowing said first positional fixing means 27 to detach the casing 50 from the support chassis 51 if a predetermined external thrust torque on said casing 50 is exceeded, while both positional fixing means cooperate, in one rotating direction, in facilitating a return of said ring 3 to a coupling position and a return of said casing 50 to a driving position.
- Said state of the art is reflected in Figure 1 , in which all the mentioned elements are shown with the exception of the first positional fixing means 27,
- the ring 3 generally comprises first 27 and second positional fixing means 32 and the mentioned threading 33 arranged in three levels, as can be seen in Figure 2 .
- the projections 28 of the first positional fixing means 27 are meshed with the recesses of the support chassis 51, and by means of the actuation of the electric motor 30, the driver can move the mirror-carrying casing 50 from said driving position to a parking position.
- Outer stop means stop the rotation of the mirror-carrying casing 50 in the parking position and cause the motor 30 to stop due to the action of an overload detecting device 31.
- the housing 2 and the mirror-carrying casing 50 move from the parking position to the driving position, as indicated by arrow D of Figure 5 , determined by a stop element 9 integral with the housing 2.
- the stop element 9 and elastic member 12 are made up of a single piece of synthetic material 7 with elastic properties, configured by way of a fixing lever, comprising (see Figures 4 , 5 , 6 and 7 ) a power arm 9 and a resistance spring 12 acting under compression.
- the piece of synthetic material, fixing lever 7 hereinafter, is provided with two fixing points 20 and 21 for fixing it to the housing 2, made up of respective through holes 14 and 14' adapted to be traversed by respective fixing rods 15 and 15' that the housing 2 is provided with.
- the through holes 14 and 14' are slightly greater than the body of the fixing rods 15 and 15' therefore the lever 7 can be moved and rotated around each rod 2.
- the fixing rods 5 and 15' are provided with a wide head for retaining the lever, such that the latter can be rotated around each rod 15, 15' while at the same time being coupled loosely to the housing 2.
- the lever 7 comprises a curved portion 13 which, while at the same time linking the power arm 9 to a straight section opposite to the power arm 9, acts as a resistance spring 12.
- the through hole 14 is arranged in the fulcrum of the lever 7, around which the power arm 9 can rotate, and through hole 14' is arranged at the end of the straight section opposite to the power arm 9.
- the ring 3 is provided with peripheral positional fixing grooves 5 regularly distributed on its outer face, inside of which the outer end 8 of the power arm 9 permanently tends to be introduced due to the action of the resistance spring 12.
- the lever 7 is fixed to the housing 2 such that the outer end 8 of the power arm 9 is arranged tangentially to the outer surface of the ring 3, therefore the lever 7 is susceptible to being coupled and detached from the grooves 5 according to the rotating direction of the ring 3 with respect to the housing 2.
- the housing 2 is provided with support ribs 22, 23 for the fixing lever 7.
- the ribs 22, 23 comprise a circumferential arch portion 16, 16'.
- the circumferential arch portion 16 of the rib 22, the center of which considerably coincides with the opposing fixing rod 15, receives the support of the end edge of the lever 7 having the through hole 14, as shown in Figure 5 .
- the fixing rods 15 and 15' are arranged in the housing 2 such that the lever 7 can be fixed in an inverted and opposite position compared to the one shown in the Figures 4 , 5 and 6 , as shown in Figure 7 .
- the mechanism functions in the same manner although the relative rotating movement between the ring 3 and the housing 2, and hence the casing 50, is prevented in the opposite rotating direction, i.e. when the ring 3 rotates with respect to the housing 2 according to arrow F of Figure 7 .
- This feature allows, without having to replace the ring 3, choosing the rotating direction in which the mirror-carrying casing 50 is stopped by the stop element 9, the rotation thereof being stopped when it reaches the driving position.
- the device can thus be used invariably in rear-view mirrors intended on being arranged on the driver's side in a vehicle or on the opposite side according to how the lever 7 is fixed to the housing 2.
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- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Mechanical Engineering (AREA)
- Rear-View Mirror Devices That Are Mounted On The Exterior Of The Vehicle (AREA)
- Channel Selection Circuits, Automatic Tuning Circuits (AREA)
- Television Receiver Circuits (AREA)
Abstract
Description
- The object of the invention is a folding mechanism for exterior rear-view mirrors in automotive vehicles, particularly applicable to exterior rear-view mirrors comprising a housing integral with a mirror-carrying casing adapted to house a rotating ring which connects, with rotating ability, the housing and a support chassis fixed to the vehicle. For that purpose, the ring is provided with first and second positional fixing means between said ring and a support chassis and between the same ring and the mentioned housing, respectively, therefore it is possible to automatically return the mirror-carrying casing to a driving position from a folded position.
- Implementations of folding mechanisms for exterior rear-view mirrors in automotive vehicles are known which are provided with movement means for a mirror-carrying casing with respect to a support chassis fixed to the structure of a vehicle. Generally, such movement means are arranged in a detachable housing fixed to the mirror-carrying casing and essentially comprise an electric motor and one or more gears adapted for driving a rotating ring linked to the support chassis.
- In Spanish patent
ES 2158924 - This exterior mirror is extremely complex given that it requires two elements acting together by means of an swinging limiter, one of which is arranged on the casing and the other one is arranged coaxially with respect to the tubular piece in the hinge and where a socket disc is located operatively connected to the motor, provided with a rebated movement limiter with a projection and stop, one of both elements of which is configured at the foot of the mirror and the other one at the head of the mirror or in the socket disc.
-
WO 02/076790 - Spanish patent
ES-A-2166677 - One of the ends of the grooves of the rotating ring must be configured in inclined planar shape so that when the fixing rod rotates with respect to the housing in the suitable direction, it causes the fixing rod to move due to the pressure of said inclined plane against the fixing rod, which leaves the groove sliding over its inclined plane and rests directly on the rotating ring. When the ring rotates in the reverse direction, the opposite end of the fixing groove, lacking an inclined plane, runs against the projecting end of the rod housed in the groove, therefore the rod is not moved, preventing the rotation of the ring with respect to the housing.
- The positional fixing means formed by the fixing rod and the spring, as well as the cavity of the detachable housing intended to house them, increase manufacturing and assembly costs. Likewise, if the fixing rod is to prevent the rotation of the ring with respect to the housing in the opposite rotating direction, it is necessary to use different rotating rings to in turn change the end of the grooves provided with the inclined plane.
- The folding mechanism for exterior rear-view mirrors in an automotive vehicle object of the invention solves the mentioned problems of the state of the art with the use of a single rotating ring. Said mechanism is of the type comprising a housing, integral with a mirror-carrying casing comprising drive means coupled to a ring acting as an axis of rotation of the mentioned casing with respect to a support chassis fixed to the vehicle, said mirror-carrying casing being able to be moved from a driving position to a folded position, said ring being provided with first positional fixing means susceptible to coupling the mentioned ring to the support chassis and second ring-shaped positional fixing means, made up of recesses alternating with projections which, in collaboration with a stop element integral with the housing and loaded by an elastic member, limit the rotation of the mentioned casing around the ring and according to one rotating direction, allowing said first positional fixing means to detach the casing from the support chassis if a predetermined external thrust torque on said casing is exceeded, while both positional fixing means cooperate in one rotating direction in a return of said ring to a coupling position and a return of said casing to a driving position.
- Essentially the folding mechanism for exterior rear-view mirrors in vehicles is characterized in that the stop element and the elastic member are integrated in a single piece of synthetic material with elastic properties.
- According to another feature of the invention, the piece of synthetic material is made up of a fixing lever comprising a power arm and a resistance spring, therefore by means of the elastic reaction of the resistance spring, the outer end of power arm permanently tends to be located tangentially with respect to the second positional fixing means, between the projections of the ring, such that the mentioned outer end of the power arm is moved by the action of the stops when the ring rotates with respect to the housing in one direction, while the outer end rests against the closest projection in the rotating direction when the housing rotates in the direction of the recovery of the driving position, preventing the rotation between the housing and the ring.
- According to another feature of the invention, the piece of synthetic material is provided with two fixing points for the fixing it loosely to the housing in which it can be fixed in two inverted and opposing positions.
- In a preferred embodiment, the fixing points of the piece of synthetic material are made up of through holes adapted to be traversed by respective fixing rods that the housing is provided with, each fixing rod being provided at its outer end with retention means, such that the lever can be rotated around each fixing rod while at the same time being coupled to the housing.
- According to another feature of the invention, arranged on both sides of the housing there are respective support ribs for supporting the piece of synthetic material, each of said ribs comprising a circumferential arch portion, the center of which considerably coincides with the axis of a corresponding fixing rod opposite to the rib, said portion being adapted to receive the support of the outer edge of the piece having the hole in which the corresponding fixing rod is inserted when the power arm is pressed against by one of the projections of the ring.
- According to a preferred embodiment, the synthetic material of the single piece is a plastic material, and said plastic material is preferably from the polyamide group.
- By way of a non-limiting example, the attached drawings show an embodiment of the folding mechanism for exterior rear-view mirrors object of the invention. In said drawings:
-
Figure 1 shows the state of the art described in the previously mentioned patentES-A-2166677 -
Figure 2 shows an exploded perspective view of a folding mechanism according to the invention; -
Figure 3 shows a plan view of the housing of the folding mechanism; -
Figures 4 ,5 and 6 show respective plan views of the housing ofFigure 3 , lacking the drive means and with the rotating ring sectioned, in which the ring and housing occupy different relative positions; and -
Figure 7 shows a plan view of the housing ofFigure 4 , in which the fixing means are fixed in an inverted and opposing position with respect to the position shown in saidFigure 4 . - The folding mechanism shown in the drawings comprises a
housing 2 integral with a mirror-carryingcasing 50, saidhousing 2 comprising drive means 4 coupled to aring 3 acting as an axis of rotation of the mentionedcasing 50 with respect to asupport chassis 51 fixed to the vehicle, such that said mirror-carryingcasing 50 can move from a driving position (with the mirror operative and extended so as to be used by a driver) to a folded or collapsed position towards the side of the vehicle. - In the example of the figures, the drive means 4 are made up of a worm screw meshed with the rotating
ring 3, generally through acorresponding threading 33 arranged on part of the outer surface of thering 3. Theworm screw 4 is actuated by anelectric motor 30 fed by theelectric supply 29 of the vehicle by means of respective contact elements 31 (seeFigure 2 ). - The state of the art described in the mentioned patent
ES-A-2166677 Figure 1 describes, like the present invention, how the rotatingring 3 comprises first positional fixing means 27 (seeFigure 2 ) susceptible of coupling the mentionedring 3 to thesupport chassis 51 and second ring-shaped positional fixing means 32, made up ofrecesses 5 alternating withprojections stop element 9 integral with thehousing 2 and loaded by anelastic member 12, limit the rotation of the mentionedcasing 50 around thering 3 and according to one rotating direction, allowing said first positional fixing means 27 to detach thecasing 50 from thesupport chassis 51 if a predetermined external thrust torque on saidcasing 50 is exceeded, while both positional fixing means cooperate, in one rotating direction, in facilitating a return of saidring 3 to a coupling position and a return of saidcasing 50 to a driving position. Said state of the art is reflected inFigure 1 , in which all the mentioned elements are shown with the exception of the first positional fixing means 27, which can be seen (as they are common to the state of the art and to the present invention) inFigure 2 . - The
ring 3 generally comprises first 27 and second positional fixing means 32 and the mentionedthreading 33 arranged in three levels, as can be seen inFigure 2 . - This structure already known in the state of the art (
Figure 1 ) is reproduced by the folding mechanism according to the invention, which however has, as will be seen, significant improvements which are essentially based on the materials used in its manufacture, and more specifically on the structure and/or constitution of thestop element 9 integral with thehousing 2 and loaded by anelastic member 12 which, in the invention, are formed in asingle piece 7 of synthetic material, generally plastic and preferably from the polyamide group, with elastic properties. - In the driving position, the
projections 28 of the first positional fixing means 27 are meshed with the recesses of thesupport chassis 51, and by means of the actuation of theelectric motor 30, the driver can move the mirror-carryingcasing 50 from said driving position to a parking position. - In fact, if the
ring 3 is prevented from moving, when the worm screw is actuated a double rotation thereof is caused: a first rotation around its own axis and a second rotation simultaneous with the previous one around thering 3 and the imaginary axis A in the direction indicated by arrow B ofFigure 3 . The mirror-carryingcasing 50 integral with thehousing 2 therefore rotates. - Outer stop means, not shown, stop the rotation of the mirror-carrying
casing 50 in the parking position and cause themotor 30 to stop due to the action of anoverload detecting device 31. - If the motor is actuated in the opposite direction, the
housing 2 and the mirror-carryingcasing 50 move from the parking position to the driving position, as indicated by arrow D ofFigure 5 , determined by astop element 9 integral with thehousing 2. - However, when the mirror-carrying
casing 50 is moved from its driving position due to manual action or mechanical impact, such that thehousing 2 is prevented from moving either due to the action of the outer stop or thestop element 9 of the second positional fixing means 32, theprojections 28 further being disengaged from the recesses arranged in thesupport chassis 51, when theworm screw 4 is actuated the rotation of the screw around its own axis causes the rotation of thering 3 in the direction indicated by arrow C ofFigure 3 until theprojections 28 mesh again with the corresponding recesses of thesupport chassis 51. - As indicated and according to the invention, in the example of the drawings, the
stop element 9 andelastic member 12 are made up of a single piece ofsynthetic material 7 with elastic properties, configured by way of a fixing lever, comprising (seeFigures 4 ,5 ,6 and7 ) apower arm 9 and aresistance spring 12 acting under compression. - The piece of synthetic material,
fixing lever 7 hereinafter, is provided with twofixing points housing 2, made up of respective throughholes 14 and 14' adapted to be traversed byrespective fixing rods 15 and 15' that thehousing 2 is provided with. The throughholes 14 and 14' are slightly greater than the body of thefixing rods 15 and 15' therefore thelever 7 can be moved and rotated around eachrod 2. Likewise, thefixing rods 5 and 15' are provided with a wide head for retaining the lever, such that the latter can be rotated around eachrod 15, 15' while at the same time being coupled loosely to thehousing 2. - As can be seen in
Figures 4 to 7 , thelever 7 comprises acurved portion 13 which, while at the same time linking thepower arm 9 to a straight section opposite to thepower arm 9, acts as aresistance spring 12. The throughhole 14 is arranged in the fulcrum of thelever 7, around which thepower arm 9 can rotate, and through hole 14' is arranged at the end of the straight section opposite to thepower arm 9. - At the same time, the
ring 3 is provided with peripheralpositional fixing grooves 5 regularly distributed on its outer face, inside of which theouter end 8 of thepower arm 9 permanently tends to be introduced due to the action of theresistance spring 12. Thelever 7 is fixed to thehousing 2 such that theouter end 8 of thepower arm 9 is arranged tangentially to the outer surface of thering 3, therefore thelever 7 is susceptible to being coupled and detached from thegrooves 5 according to the rotating direction of thering 3 with respect to thehousing 2. - In fact, with the
lever 7 being fixed to thehousing 2 as indicated inFigure 4 , if a relative rotation of thering 3 with respect to the housing occurs as indicated by arrow D ofFigure 4 , theend 5a of thegroove 5 will move, due to pressure against theouter end 8, thepower arm 9 of thelever 7, such that said outer end will leave thefixing groove 5, detaching from thering 3, allowing the rotation thereof with respect to the housing 2 (seeFigure 6 ). When this occurs, theresistance spring 12 is further compressed and thelever 7 slightly moves. - If the rotating movement of the
ring 3 continues, theouter end 8 of thelever 7 will again be introduced in the groove 5' arranged after the previous groove, because due to the elastic action of theresistance spring 12, thepower arm 9 always tends to be located as is shown inFigure 4 . - In this manner, as previously explained, with the mirror-carrying
casing 50 being prevented from moving due to the action of the outer stop, thelever 7 does not prevent the rotatingring 3 from being actuated by the drive means 4 until the meshing of the projections 28 (shown inFigure 2 ) occurs, thering 3 and thesupport chassis 51 being coupled. This situation is shown inFigure 6 . - However, if relative rotation of the
ring 3 occurs with respect to thehousing 2 as indicated by arrow E ofFigure 4 , theend 5b of thegroove 5 will receive the support of theend 8 of thepower arm 9 of thelever 7, which will act as a stop and prevent the rotating movement between thehousing 2 and thering 3 from continuing, stopping the electric motor. - To prevent a large part of the force transmitted by the
ring 3 to thepower arm 9 from being absorbed by thefixing rod 15, thehousing 2 is provided withsupport ribs fixing lever 7. In the example of the figures, theribs circumferential arch portion 16, 16'. In the situation shown inFigure 5 , the circumferentialarch portion 16 of therib 22, the center of which considerably coincides with the opposing fixingrod 15, receives the support of the end edge of thelever 7 having the throughhole 14, as shown inFigure 5 . - It must be observed that the fixing
rods 15 and 15' are arranged in thehousing 2 such that thelever 7 can be fixed in an inverted and opposite position compared to the one shown in theFigures 4 ,5 and 6 , as shown inFigure 7 . - When the lever is fixed according to
Figure 7 , the curved portion 16' of therib 23 receives the support of the end of thelever 7 having the throughhole 14. - According to this arrangement, the mechanism functions in the same manner although the relative rotating movement between the
ring 3 and thehousing 2, and hence thecasing 50, is prevented in the opposite rotating direction, i.e. when thering 3 rotates with respect to thehousing 2 according to arrow F ofFigure 7 . This feature allows, without having to replace thering 3, choosing the rotating direction in which the mirror-carryingcasing 50 is stopped by thestop element 9, the rotation thereof being stopped when it reaches the driving position. The device can thus be used invariably in rear-view mirrors intended on being arranged on the driver's side in a vehicle or on the opposite side according to how thelever 7 is fixed to thehousing 2. - A person skilled in the art may introduce changes and modifications in the described embodiment without departing from the scope of the invention as it is defined in the attached claims.
Claims (4)
- A folding mechanism for exterior rear-view mirrors in an automotive vehicle of the type comprising:- a housing (2) integral with a mirror-carrying casing (50) comprising said housing (2)- drive means (4) coupled to a ring (3) acting as an axis of rotation of the mentioned casing (50) with respect to a support chassis (51) fixed to the vehicle,- said mirror-carrying casing (50) being able to be moved from a driving position to a folded position,- said ring (3) being provided with first positional fixing means (27) susceptible to coupling the mentioned ring (3) to the support chassis (51) and with second ring-shaped positional fixing means (32) made up of recesses (5) alternated with projections (5a, 5b) which, in collaboration with a stop element (9), coupled to the housing (2) and loaded by un elastic member (12), limit the rotation of the mentioned casing (50) around ring (3) and according to one rotating direction, allowing said first positional fixing means (27) to decouple the casing from the support chassis if a predetermined external thrust torque is exceeded by said casing (50), while both positional fixing means cooperate, in one rotating direction, in a return of said ring (3) to a coupling position and a return of said casing (50) to a driving position, characterised in thatthe stop element (9) and the elastic member (12) are integrated in a single piece (7) of synthetic material with elastic properties, made up of a fixing lever comprising a power arm (9) and a resistance spring (12), therefore by elastic reaction of the resistance spring (12) the outer end (8) of the power arm (9) permanently tends to be located tangentially with respect to the second positional fixing means (32), between the projections (5a, 5b) of the ring (3), such that the mentioned outer end (8) of the power arm (9) is moved by the action of the stops (5a, 5b) when the ring (3) rotates with respect to the casing (50) in one direction, while the outer end (8) rests against the closest projection (5a, 5b) in the rotating direction when the casing (50) rotates in the direction of the recovery of the driving position, preventing the rotation between the casing (50) and the ring (3), wherein
the piece (7) of synthetic material is provided with two fixing points (20, 21) for fixing it to the housing (2) in which it can be fixed in two inverted and opposite positions,
wherein the fixing points (20, 21) of the piece (7) of synthetic material are made up of through holes (14, 14') adapted to be traversed by respective fixing rods (15, 15') that the housing (2) is provided with, each fixing rod being provided at its outer end with retention means, such that the lever can be rotated around each fixing rod (15, 15') while at the same time being coupled to the housing (2). - A folding mechanism according to claim 1, characterized in that arranged at both sides of the housing (2) there are respective support ribs for supporting the piece (7) of synthetic material, each of said ribs comprising a circumferential arch portion (16, 16') the center of which considerably coincides with the axis of a corresponding fixing rod (15, 15') opposite to the rib, said portion (16, 16') being adapted to receive the support of the outer edge of the piece having the hole in which the corresponding fixing rod is inserted when the power arm (9) is pressed against by one of the projections (5a, 5b) of the ring (3).
- A folding mechanism according to claim 1 or 2, characterized in that said synthetic material is a plastic material.
- A folding mechanism according to any claim 1 to 3, characterized in that said plastic material is from the polyamide group.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ES200400998A ES2217986B1 (en) | 2004-04-27 | 2004-04-27 | OPENING MECHANISM FOR EXTERIOR REAR VIEW MACHINES OF MOTOR VEHICLES. |
PCT/IB2005/001110 WO2005101960A2 (en) | 2004-04-27 | 2005-04-25 | Lowering mechanism for the exterior rear-view mirrors of motor vehicles |
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EP1754630A2 EP1754630A2 (en) | 2007-02-21 |
EP1754630B1 true EP1754630B1 (en) | 2008-11-19 |
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EP05733372A Active EP1754630B1 (en) | 2004-04-27 | 2005-04-25 | Lowering mechanism for the exterior rear-view mirrors of motor vehicles |
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US (1) | US7572018B2 (en) |
EP (1) | EP1754630B1 (en) |
JP (1) | JP4768721B2 (en) |
CN (1) | CN100436195C (en) |
AT (1) | ATE414630T1 (en) |
BR (1) | BRPI0509007A (en) |
DE (1) | DE602005011133D1 (en) |
ES (1) | ES2217986B1 (en) |
WO (1) | WO2005101960A2 (en) |
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US10444931B2 (en) | 2017-05-09 | 2019-10-15 | Google Llc | Vantage generation and interactive playback |
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US10469873B2 (en) | 2015-04-15 | 2019-11-05 | Google Llc | Encoding and decoding virtual reality video |
US9979909B2 (en) | 2015-07-24 | 2018-05-22 | Lytro, Inc. | Automatic lens flare detection and correction for light-field images |
EP3150438B1 (en) * | 2015-09-29 | 2018-11-14 | Fico Mirrors S.A. | Foldable rear-view mirror assembly for motor vehicles |
CN108473092B (en) * | 2016-01-14 | 2021-07-13 | 法拉第未来公司 | Modular mirror assembly |
US10275892B2 (en) | 2016-06-09 | 2019-04-30 | Google Llc | Multi-view scene segmentation and propagation |
US10679361B2 (en) | 2016-12-05 | 2020-06-09 | Google Llc | Multi-view rotoscope contour propagation |
US10594945B2 (en) | 2017-04-03 | 2020-03-17 | Google Llc | Generating dolly zoom effect using light field image data |
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CN111032434B (en) | 2017-08-17 | 2023-09-01 | 麦格纳镜片美国有限公司 | Electric folding actuator for external mirror |
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CN111002907B (en) * | 2019-12-24 | 2020-10-09 | 安徽泗州拖拉机制造有限公司 | Rearview mirror with foldable assembly and working method thereof |
DE102021201586B4 (en) | 2020-02-20 | 2023-08-03 | Magna Mirrors Of America, Inc. | vehicle exterior rearview mirror assembly |
CN111734931A (en) * | 2020-07-16 | 2020-10-02 | 中山大山摄影器材有限公司 | Electric control sliding device for photographic equipment and locking assembly thereof |
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-
2004
- 2004-04-27 ES ES200400998A patent/ES2217986B1/en not_active Expired - Lifetime
-
2005
- 2005-04-25 BR BRPI0509007-5A patent/BRPI0509007A/en not_active IP Right Cessation
- 2005-04-25 JP JP2007510148A patent/JP4768721B2/en active Active
- 2005-04-25 CN CNB2005800176972A patent/CN100436195C/en active Active
- 2005-04-25 US US11/587,611 patent/US7572018B2/en active Active
- 2005-04-25 EP EP05733372A patent/EP1754630B1/en active Active
- 2005-04-25 DE DE602005011133T patent/DE602005011133D1/en not_active Expired - Fee Related
- 2005-04-25 WO PCT/IB2005/001110 patent/WO2005101960A2/en active Application Filing
- 2005-04-25 AT AT05733372T patent/ATE414630T1/en not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
BRPI0509007A (en) | 2007-08-07 |
CN1960898A (en) | 2007-05-09 |
ES2217986B1 (en) | 2005-08-16 |
US7572018B2 (en) | 2009-08-11 |
EP1754630A2 (en) | 2007-02-21 |
WO2005101960A2 (en) | 2005-11-03 |
ES2217986A1 (en) | 2004-11-01 |
DE602005011133D1 (en) | 2009-01-02 |
US20080266688A1 (en) | 2008-10-30 |
WO2005101960A3 (en) | 2006-11-02 |
JP2008537917A (en) | 2008-10-02 |
ATE414630T1 (en) | 2008-12-15 |
JP4768721B2 (en) | 2011-09-07 |
CN100436195C (en) | 2008-11-26 |
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